diff --git a/libraries/SD/examples/CardInfo/CardInfo.ino b/libraries/SD/examples/CardInfo/CardInfo.ino
index 0c2dfc5e2..02673c072 100644
--- a/libraries/SD/examples/CardInfo/CardInfo.ino
+++ b/libraries/SD/examples/CardInfo/CardInfo.ino
@@ -20,6 +20,7 @@
  by Tom Igoe
  */
  // include the SD library:
+#include <SPI.h>
 #include <SD.h>
 
 // set up variables using the SD utility library functions:
diff --git a/libraries/SD/examples/Datalogger/Datalogger.ino b/libraries/SD/examples/Datalogger/Datalogger.ino
index a7f85eeaf..30a010e51 100644
--- a/libraries/SD/examples/Datalogger/Datalogger.ino
+++ b/libraries/SD/examples/Datalogger/Datalogger.ino
@@ -20,6 +20,7 @@
  	 
  */
 
+#include <SPI.h>
 #include <SD.h>
 
 // On the Ethernet Shield, CS is pin 4. Note that even if it's not
diff --git a/libraries/SD/examples/DumpFile/DumpFile.ino b/libraries/SD/examples/DumpFile/DumpFile.ino
index d83089af6..b58d50e2b 100644
--- a/libraries/SD/examples/DumpFile/DumpFile.ino
+++ b/libraries/SD/examples/DumpFile/DumpFile.ino
@@ -20,6 +20,7 @@
  	 
  */
 
+#include <SPI.h>
 #include <SD.h>
 
 // On the Ethernet Shield, CS is pin 4. Note that even if it's not
diff --git a/libraries/SD/examples/Files/Files.ino b/libraries/SD/examples/Files/Files.ino
index a15b8626d..dc172d23a 100644
--- a/libraries/SD/examples/Files/Files.ino
+++ b/libraries/SD/examples/Files/Files.ino
@@ -17,6 +17,7 @@
  This example code is in the public domain.
  	 
  */
+#include <SPI.h>
 #include <SD.h>
 
 File myFile;
diff --git a/libraries/SD/examples/ReadWrite/ReadWrite.ino b/libraries/SD/examples/ReadWrite/ReadWrite.ino
index 5805fc8d6..12537c8fe 100644
--- a/libraries/SD/examples/ReadWrite/ReadWrite.ino
+++ b/libraries/SD/examples/ReadWrite/ReadWrite.ino
@@ -18,6 +18,7 @@
  	 
  */
  
+#include <SPI.h>
 #include <SD.h>
 
 File myFile;
diff --git a/libraries/SD/examples/listfiles/listfiles.ino b/libraries/SD/examples/listfiles/listfiles.ino
index 876c3f865..07a480d8e 100644
--- a/libraries/SD/examples/listfiles/listfiles.ino
+++ b/libraries/SD/examples/listfiles/listfiles.ino
@@ -17,6 +17,7 @@
  This example code is in the public domain.
  	 
  */
+#include <SPI.h>
 #include <SD.h>
 
 File root;